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authorJason Liu <r64343@freescale.com>2008-03-14 21:53:04 -0500
committerJason Liu <r64343@freescale.com>2012-07-20 13:09:05 +0800
commit29dc869eba443eda337012281c3507352bee0d0b (patch)
tree8e878326ea8b94092897ba5ef15bb0a11860fde6 /fs
parentd23fa8c0a32ac744416b70a116f238f5a7ef412d (diff)
ENGR00068619 JFFS2 community fix with not use OOB
JFFS2 community fix with not use OOB at MLC NAND, this patch is coming from the MTD community Signed-off-by: Jason Liu <r64343@freescale.com>
Diffstat (limited to 'fs')
-rw-r--r--fs/jffs2/fs.c6
-rw-r--r--fs/jffs2/os-linux.h2
2 files changed, 5 insertions, 3 deletions
diff --git a/fs/jffs2/fs.c b/fs/jffs2/fs.c
index 46ad619b6124..fed08c1d7945 100644
--- a/fs/jffs2/fs.c
+++ b/fs/jffs2/fs.c
@@ -692,7 +692,9 @@ void jffs2_gc_release_page(struct jffs2_sb_info *c,
static int jffs2_flash_setup(struct jffs2_sb_info *c) {
int ret = 0;
- if (jffs2_cleanmarker_oob(c)) {
+ if (c->mtd->type == MTD_NANDFLASH) {
+ if (!(c->mtd->flags & MTD_OOB_WRITEABLE))
+ printk(KERN_INFO "JFFS2 doesn't use OOB.\n");
/* NAND flash... do setup accordingly */
ret = jffs2_nand_flash_setup(c);
if (ret)
@@ -725,7 +727,7 @@ static int jffs2_flash_setup(struct jffs2_sb_info *c) {
void jffs2_flash_cleanup(struct jffs2_sb_info *c) {
- if (jffs2_cleanmarker_oob(c)) {
+ if (c->mtd->type == MTD_NANDFLASH) {
jffs2_nand_flash_cleanup(c);
}
diff --git a/fs/jffs2/os-linux.h b/fs/jffs2/os-linux.h
index 65c6c43ca482..dce73c35bbc2 100644
--- a/fs/jffs2/os-linux.h
+++ b/fs/jffs2/os-linux.h
@@ -106,7 +106,7 @@ static inline void jffs2_init_inode_info(struct jffs2_inode_info *f)
#define jffs2_can_mark_obsolete(c) (c->mtd->flags & (MTD_BIT_WRITEABLE))
#endif
-#define jffs2_cleanmarker_oob(c) (c->mtd->type == MTD_NANDFLASH)
+#define jffs2_cleanmarker_oob(c) (c->mtd->type == MTD_NANDFLASH && (c->mtd->flags & MTD_OOB_WRITEABLE))
#define jffs2_flash_write_oob(c, ofs, len, retlen, buf) ((c)->mtd->write_oob((c)->mtd, ofs, len, retlen, buf))
#define jffs2_flash_read_oob(c, ofs, len, retlen, buf) ((c)->mtd->read_oob((c)->mtd, ofs, len, retlen, buf))